Answer / sushil

for ease and precision in transformation of voltage, ratio
should be in the multiple of form factor 1.11.

Answer / medoo

the same answer

Answer / shilpa

plz...dont give stupid answers lyk the previous one.

its becoz of the form factor which is 1.11 of sinusoidal
wave as transformer involves pure sinusoidal ac supply.

Answer / madhav

form factor of sinusoidal wave=rms/avg..its value should be
1.11. so rms=1.1*avg. for example..10kV*1.1=11kV....

Answer / akshay

becoz generated EMF=4.44f*N*flux Volts, so the vale of
NFand fluz will be multiply by 4.44 so its look like in the
form of 11,22,33 etc

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